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BOSTON MARATHON 2023

Stephen Crawford

Bib: 27252•M

NJ

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:33
Rank: #17866
Start → 5K
26:33 | 8:33/mi
10K· 6.21 mi
51:22
Rank: #16273 (+1593)
5K → 10K
24:49 | 7:59/mi
15K· 9.32 mi
1:17:58
Rank: #16941 (-668)
10K → 15K
26:36 | 8:34/mi
20K· 12.43 mi
1:41:49
Rank: #15521 (+1420)
15K → 20K
23:51 | 7:41/mi
Half· 13.11 mi
1:46:36
Rank: #15110 (+411)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
2:05:56
Rank: #14688 (+422)
Half → 25K
19:20 | 7:58/mi
30K· 18.64 mi
2:31:01
Rank: #14115 (+573)
25K → 30K
25:05 | 8:04/mi
20M
2:42:46
Rank: #14141 (-26)
30K → 20M
11:45 | 8:39/mi
21M
2:51:51
Rank: #14093 (+48)
20M → 21M
9:05 | 9:05/mi
35K· 21.75 mi
2:57:42
Rank: #13950 (+143)
21M → 35K
5:51 | 7:49/mi
23M
3:08:00
Rank: #13766 (+184)
35K → 23M
10:18 | 8:14/mi
24M
3:16:05
Rank: #13660 (+106)
23M → 24M
8:05 | 8:05/mi
40K· 24.85 mi
3:23:37
Rank: #13706 (-46)
24M → 40K
7:32 | 8:49/mi
25.2M
3:26:52
Rank: #13728 (-22)
40K → 25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:35:10
Rank: #13678 (+50)
25.2M → Finish
8:18 | 8:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:36
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time1:48:34
Pace8:17 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:1826:338:3326:33
8:33
-
10K
6.21 mi12:13:0751:228:1624:49
7:59
-0:34
15K
9.32 mi12:39:431:17:588:2226:36
8:34
+0:35
20K
12.43 mi13:03:341:41:498:1223:51
7:41
-0:53
Half
13.11 mi13:08:211:46:368:084:47
7:01
-0:40
25K
15.53 mi13:27:412:05:568:0619:20
7:58
+0:57
30K
18.64 mi13:52:462:31:018:0625:05
8:04
+0:06
20M
20.00 mi14:04:312:42:468:0811:45
8:39
+0:35
21M
21.00 mi14:13:362:51:518:119:05
9:05
+0:26
35K
21.75 mi14:19:272:57:428:105:51
7:49
-1:16
23M
23.00 mi14:29:453:08:008:1010:18
8:14
+0:25
24M
24.00 mi14:37:503:16:058:108:05
8:05
-0:09
40K
24.85 mi14:45:223:23:378:127:32
8:49
+0:44
25.2M
25.20 mi14:48:373:26:528:133:15
9:25
+0:36
Finish
26.22 mi14:56:553:35:108:138:18
8:09
-1:16

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:01 /mi

Average Pace

8:13 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

34:29

16% of race

Time at Steady Pace

1:35:55

45% of race

Time at Slower Pace

1:24:46

39% of race

Average Pace: 8:12 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:48:1826:338:3326:33
8:33
#17866
10K
6.21 mi12:13:0751:228:1624:49
7:59
#16273
15K
9.32 mi12:39:431:17:588:2226:36
8:34
#16941
20K
12.43 mi13:03:341:41:498:1223:51
7:41
#15521
Half
13.11 mi13:08:211:46:368:084:47
7:01
#15110
25K
15.53 mi13:27:412:05:568:0619:20
7:58
#14688
30K
18.64 mi13:52:462:31:018:0625:05
8:04
#14115
20M
20.00 mi14:04:312:42:468:0811:45
8:39
#14141
21M
21.00 mi14:13:362:51:518:119:05
9:05
#14093
35K
21.75 mi14:19:272:57:428:105:51
7:49
#13950
23M
23.00 mi14:29:453:08:008:1010:18
8:14
#13766
24M
24.00 mi14:37:503:16:058:108:05
8:05
#13660
40K
24.85 mi14:45:223:23:378:127:32
8:49
#13706
25.2M
25.20 mi14:48:373:26:528:133:15
9:25
#13728
Finish
26.22 mi14:56:553:35:108:138:18
8:09
#13678
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17866113761137618193(Top 68%)11558(Top 76%)11558(Top 219%)
10K6.21 mi3.10 mi16273+159310812+56410812+56414715(Top 55%)10206(Top 67%)10206(Top 193%)
15K9.32 mi3.11 mi16941-66811048-23611048-23618193(Top 68%)11558(Top 76%)11558(Top 219%)
20K12.43 mi3.11 mi15521+142010498+55010498+55010723(Top 40%)8444(Top 56%)8444(Top 160%)
Half13.11 mi0.68 mi15110+41110337+16110337+1616638(Top 25%)5978(Top 39%)5978(Top 113%)
25K15.53 mi2.42 mi14688+42210151+18610151+18612517(Top 47%)9136(Top 60%)9136(Top 173%)
30K18.64 mi3.11 mi14115+5739885+2669885+26611460(Top 43%)8570(Top 56%)8570(Top 162%)
20M20.00 mi1.36 mi14141-269869+169869+1614535(Top 55%)9789(Top 65%)9789(Top 185%)
21M21.00 mi1.00 mi14093+489829+409829+4013859(Top 52%)9422(Top 62%)9422(Top 178%)
35K21.75 mi0.75 mi13950+1439764+659764+6510798(Top 41%)8021(Top 53%)8021(Top 152%)
23M23.00 mi1.25 mi13766+1849667+979667+9711362(Top 43%)8163(Top 54%)8163(Top 154%)
24M24.00 mi1.00 mi13660+1069604+639604+6311811(Top 44%)8311(Top 55%)8311(Top 157%)
40K24.85 mi0.85 mi13706-469600+49600+415112(Top 57%)9733(Top 64%)9733(Top 184%)
25.2M25.20 mi0.35 mi13728-229603-39603-314755(Top 55%)9559(Top 63%)9559(Top 181%)
Finish26.22 mi1.02 mi13678+509562+419562+4113058(Top 49%)8803(Top 58%)8803(Top 167%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

18193

Males

11558

M18-39

11558

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14715

Males

10206

M18-39

10206

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

18193

Males

11558

M18-39

11558

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10723

Males

8444

M18-39

8444

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6638

Males

5978

M18-39

5978

Half→25K

13.1 - 15.5 mi

Top 47%
×4stories
+66ft-88ft

Overall

12517

Males

9136

M18-39

9136

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

11460

Males

8570

M18-39

8570

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

14535

Males

9789

M18-39

9789

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

13859

Males

9422

M18-39

9422

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10798

Males

8021

M18-39

8021

35K→23M

21.8 - 23.0 mi

Top 43%
×5stories
+23ft-63ft

Overall

11362

Males

8163

M18-39

8163

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

11811

Males

8311

M18-39

8311

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15112

Males

9733

M18-39

9733

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14755

Males

9559

M18-39

9559

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

13058

Males

8803

M18-39

8803

Passing Analysis

Category:
Athletes Passed
5330
Passed By
1142
Net Change
+4188
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17866
5K → 10K162835+1593#17866#16273
10K → 15K43711-668#16273#16941
15K → 20K14200+1420#16941#15521
20K → Half4110+411#15521#15110
Half → 25K4253+422#15110#14688
25K → 30K5763+573#14688#14115
30K → 20M78104-26#14115#14141
20M → 21M11264+48#14141#14093
21M → 35K1452+143#14093#13950
35K → 23M19511+184#13950#13766
23M → 24M12216+106#13766#13660
24M → 40K4793-46#13660#13706
40K → 25.2M2951-22#13706#13728
25.2M → Finish9949+50#13728#13678
TOTALS53301142+4188
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing